下面列出了android.view.View#getAccessibilityNodeProvider ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
private AccessibilityNodeInfo findVirtualNodeByAccessibilityId(View view, int virtualId) {
final AccessibilityNodeProvider provider = view.getAccessibilityNodeProvider();
if (provider == null) {
return null;
}
return provider.createAccessibilityNodeInfo(virtualId);
}
public static Object getAccessibilityNodeProvider(View view) {
return view.getAccessibilityNodeProvider();
}
/** See {@link View#isImportantForAccessibility()}. */
public static boolean isImportantForAccessibility(View view) {
if (view == null) {
return false;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
return view.isImportantForAccessibility();
} else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
// Prior to Jelly Bean, all Views were considered important for accessibility.
return true;
} else {
// On APIs between 16 and 21, we must piece together accessibility importance from the
// available properties. We return false incorrectly for some cases where unretrievable
// listeners prevent us from determining importance.
// If the developer marked the view as explicitly not important, it isn't.
int mode = view.getImportantForAccessibility();
if ((mode == View.IMPORTANT_FOR_ACCESSIBILITY_NO)
|| (mode == View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS)) {
return false;
}
// No parent view can be hiding us. (APIs 19 to 21)
ViewParent parent = view.getParent();
while (parent instanceof View) {
if (((View) parent).getImportantForAccessibility()
== View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS) {
return false;
}
parent = parent.getParent();
}
// Interrogate the view's other properties to determine importance.
return (mode == View.IMPORTANT_FOR_ACCESSIBILITY_YES)
|| isActionableForAccessibility(view)
|| hasListenersForAccessibility(view)
|| (view.getAccessibilityNodeProvider() != null)
|| (ViewCompat.getAccessibilityLiveRegion(view)
!= ViewCompat.ACCESSIBILITY_LIVE_REGION_NONE);
}
}
public static Object d(View view)
{
return view.getAccessibilityNodeProvider();
}
public static Object getAccessibilityNodeProvider(View view) {
return view.getAccessibilityNodeProvider();
}
public static Object getAccessibilityNodeProvider(View view) {
return view.getAccessibilityNodeProvider();
}
public static Object getAccessibilityNodeProvider(View view) {
return view.getAccessibilityNodeProvider();
}
public static Object getAccessibilityNodeProvider(View view) {
return view.getAccessibilityNodeProvider();
}